CVE-2020-7871

View on CVE.org

Published Jun 29, 2021 CVSS 3.1 · 7.5 High EPSS < 1% KEV · Not listed

Description

A vulnerability of Helpcom could allow an unauthenticated attacker to execute arbitrary command. This vulnerability exists due to insufficient validation of the parameter. This issue affects: Cnesty Helpcom 10.0 versions prior to.

Analysis

No analysis available yet

Affected Products

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

Cnesty

Helpcom

affected

Version	Status	Constraints
`10.0`	affected	< 10.0(2020.11)

Configuration 1 [-]

cpe:2.3:a:cnesty:helpcom:*:*:*:*:*:*:*:*

No data.

No data available yet.

Remediation

No remediation available yet

Tracking

Sign in to view the affected projects.

Advisories

Source	ID	Title
EUVD	EUVD-2020-28803	A vulnerability of Helpcom could allow an unauthenticated attacker to execute arbitrary command. This vulnerability exists due to insufficient validation of the parameter. This issue affects: Cnesty Helpcom 10.0 versions prior to.

Metrics

No CVSS v4.0

Attack Vector Network

Attack Complexity High

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction Required

No CVSS v3.0

Access Vector Network

Access Complexity Low

Authentication None

Confidentiality Impact Partial

Integrity Impact Partial

Availability Impact Partial

This CVE is not in the KEV list.

Exploit prediction score: < 1% (0.864% probability within 30 days)

Key SSVC decision points have not yet been added.

References

Link	Providers
https://www.boho.or.kr/krcert/secNoticeView.do?bulletin_writing_sequence=36095

History

No history.

Subscriptions

Cnesty Helpcom

Weaknesses

CWE-20
Improper Input Validation

Sources

CVE record Updated: Aug 4, 2024, 9:41 AM

Status: PUBLISHED
Assigner: krcert
Published: Jun 29, 2021, 12:51 PM
Updated: Aug 4, 2024, 9:41 AM
Reserved: Jan 22, 2020, 12:00 AM

View source JSON

Vulnrichment No data

No data.

NVD Updated: Jun 17, 2026, 3:25 AM

Status: Modified
Published: Jun 29, 2021, 1:15 PM
Modified: Jun 17, 2026, 3:25 AM

View source JSON

Red Hat No data

No data.

OpenCVE enrichment No data

No data.

{"containers": {"cna": {"affected": [{"product": "Helpcom", "vendor": "Cnesty", "versions": [{"lessThan": "10.0(2020.11)", "status": "affected", "version": "10.0", "versionType": "custom"}]}], "credits": [{"lang": "en", "value": "Jeongun Baek"}], "descriptions": [{"lang": "en", "value": "A vulnerability of Helpcom could allow an unauthenticated attacker to execute arbitrary command. This vulnerability exists due to insufficient validation of the parameter. This issue affects: Cnesty Helpcom 10.0 versions prior to."}], "metrics": [{"cvssV3_1": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H", "version": "3.1"}}], "problemTypes": [{"descriptions": [{"cweId": "CWE-20", "description": "CWE-20 Improper Input Validation", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"dateUpdated": "2021-06-29T12:51:48.000Z", "orgId": "cdd7a122-0fae-4202-8d86-14efbacc2863", "shortName": "krcert"}, "references": [{"tags": ["x_refsource_MISC"], "url": "https://www.boho.or.kr/krcert/secNoticeView.do?bulletin_writing_sequence=36095"}], "source": {"discovery": "UNKNOWN"}, "x_generator": {"engine": "Vulnogram 0.0.9"}, "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "vuln@krcert.or.kr", "ID": "CVE-2020-7871", "STATE": "PUBLIC"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "Helpcom", "version": {"version_data": [{"version_affected": "<", "version_name": "10.0", "version_value": "10.0(2020.11)"}]}}]}, "vendor_name": "Cnesty"}]}}, "credit": [{"lang": "eng", "value": "Jeongun Baek"}], "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "A vulnerability of Helpcom could allow an unauthenticated attacker to execute arbitrary command. This vulnerability exists due to insufficient validation of the parameter. This issue affects: Cnesty Helpcom 10.0 versions prior to."}]}, "generator": {"engine": "Vulnogram 0.0.9"}, "impact": {"cvss": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H", "version": "3.1"}}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "CWE-20 Improper Input Validation"}]}]}, "references": {"reference_data": [{"name": "https://www.boho.or.kr/krcert/secNoticeView.do?bulletin_writing_sequence=36095", "refsource": "MISC", "url": "https://www.boho.or.kr/krcert/secNoticeView.do?bulletin_writing_sequence=36095"}]}, "source": {"discovery": "UNKNOWN"}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T09:41:01.876Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://www.boho.or.kr/krcert/secNoticeView.do?bulletin_writing_sequence=36095"}]}]}, "cveMetadata": {"assignerOrgId": "cdd7a122-0fae-4202-8d86-14efbacc2863", "assignerShortName": "krcert", "cveId": "CVE-2020-7871", "datePublished": "2021-06-29T12:51:48.000Z", "dateReserved": "2020-01-22T00:00:00.000Z", "dateUpdated": "2024-08-04T09:41:01.876Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

{"affected": [{"affectedData": [{"product": "Helpcom", "vendor": "Cnesty", "versions": [{"lessThan": "10.0(2020.11)", "status": "affected", "version": "10.0", "versionType": "custom"}]}], "source": "vuln@krcert.or.kr"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:cnesty:helpcom:*:*:*:*:*:*:*:*", "matchCriteriaId": "A008307A-D721-44EC-8B89-AE6757A0CB8D", "versionEndExcluding": "10.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "A vulnerability of Helpcom could allow an unauthenticated attacker to execute arbitrary command. This vulnerability exists due to insufficient validation of the parameter. This issue affects: Cnesty Helpcom 10.0 versions prior to."}, {"lang": "es", "value": "Una vulnerabilidad de Helpcom podr\u00eda permitir a un atacante no autenticado ejecutar un comando arbitrario. Esta vulnerabilidad se presenta debido a una comprobaci\u00f3n insuficiente del par\u00e1metro. Este problema afecta a: Cnesty Helpcom versiones anteriores a 10.0"}], "id": "CVE-2020-7871", "lastModified": "2026-06-17T03:25:34.977", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "HIGH", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 7.5, "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 6.4, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 1.6, "impactScore": 5.9, "source": "vuln@krcert.or.kr", "type": "Secondary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.8, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2021-06-29T13:15:07.740", "references": [{"source": "vuln@krcert.or.kr", "tags": ["Third Party Advisory"], "url": "https://www.boho.or.kr/krcert/secNoticeView.do?bulletin_writing_sequence=36095"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://www.boho.or.kr/krcert/secNoticeView.do?bulletin_writing_sequence=36095"}], "sourceIdentifier": "vuln@krcert.or.kr", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-20"}], "source": "vuln@krcert.or.kr", "type": "Secondary"}, {"description": [{"lang": "en", "value": "CWE-20"}], "source": "nvd@nist.gov", "type": "Primary"}]}